SrSSKJr SSKrSSKrSSKrSrSrSr Sr Sr S r S r S rS rS r"SS\5r"SS\5r"SS\5r\ \0rSrSrg)z EDNS Options)absolute_importN c^\rSrSrSrSrSr\S5rSr Sr Sr S r S r S rS rS rg)Option0z%Base class for all EDNS option types.cXlg)z@Initialize an option. *otype*, an ``int``, is the option type. Notype)selfrs lib/third_party/dns/edns.py__init__Option.__init__4s  c[e)z*Convert an option to wire format. NotImplementedErrorrfiles rto_wireOption.to_wire;s "!rc[e)a<Build an EDNS option object from wire format. *otype*, an ``int``, is the option type. *wire*, a ``binary``, is the wire-format message. *current*, an ``int``, is the offset in *wire* of the beginning of the rdata. *olen*, an ``int``, is the length of the wire-format option data Returns a ``dns.edns.Option``. rclsrwirecurrentolens r from_wireOption.from_wire@s "!rc[e)zCompare an EDNS option with another option of the same type. Returns < 0 if < *other*, 0 if == *other*, and > 0 if > *other*. rrothers r_cmp Option._cmpRs "!rc[U[5(dgURUR:wagURU5S:H$NFr isinstancerrr+r)s r__eq__ Option.__eq__Y9%(( :: $yy1$$rc[U[5(dgURUR:wagURU5S:g$r.r/r)s r__ne__ Option.__ne__`r3rc[U[5(aURUR:wa[$UR U5S:$Nrr0rrNotImplementedr+r)s r__lt__ Option.__lt__g9%(( ekk)! !yy!##rc[U[5(aURUR:wa[$UR U5S:*$r8r9r)s r__le__ Option.__le__m9%(( ekk)! !yy1$$rc[U[5(aURUR:wa[$UR U5S:$r8r9r)s r__ge__ Option.__ge__srArc[U[5(aURUR:wa[$UR U5S:$r8r9r)s r__gt__ Option.__gt__yr=rrN)__name__ __module__ __qualname____firstlineno____doc__rr classmethodr&r+r1r5r;r?rCrF__static_attributes__rrrr0sF/" """"%%$ % % $rrcN^\rSrSrSrU4SjrSrSr\S5r Sr Sr U=r $) GenericOptionzkGeneric Option Class This class is used for EDNS option types for which we have no better implementation. c8>[[U] U5 X lgN)superrQrdata)rrrV __class__s rrGenericOption.__init__s mT+E2 rc:URUR5 grT)writerVrs rrGenericOption.to_wires 499rc SUR-$)Nz Generic %drrs rto_textGenericOption.to_textsdjj((rcU"XX3U-5$rTrOr!s rr&GenericOption.from_wires5w$788rcpURUR:XagURUR:aggNrrVr)s rr+GenericOption._cmps+ 99 " 99uzz !rrf) rHrIrJrKrLrrr^rMr&r+rN __classcell__rWs@rrQrQs5 )99rrQcR^\rSrSrSrS U4SjjrSrSr\S5r Sr Sr U=r $) ECSOptionz!EDNS Client Subnet (ECS, RFC7871)c>[[U] [5 [R R U5nU[R R:Xa SUlUcSnO6U[R R:Xa SUlUcSnO [S5eXl X l X0l [R RXA5n[[ R""US- 55nUSUUlUS-nUS :waK[&R("S [+UR$S S5S U--5nUR$SS U-Ulgg) a[*address*, a ``text``, is the client address information. *srclen*, an ``int``, the source prefix length, which is the leftmost number of bits of the address to be used for the lookup. The default is 24 for IPv4 and 56 for IPv6. *scopelen*, an ``int``, the scope prefix length. This value must be 0 in queries, and should be set in responses. N8rdz Bad ip family @rrBre)rUrkrECSdnsinetaf_for_addressAF_INET6familyAF_INET ValueErroraddresssrclenscopelen inet_ptonintmathceiladdrdatastructpackord) rr|r}r~afrnbytesnbitslastrWs rrECSOption.__init__s i', XX $ $W - "" "DK~ 388## #DK~_- -   88%%b2TYYvcz*+!&)   A:;;sC bc(:$;tu}$MND MM#2.5DM rcdSRURURUR5$)NzECS {}/{} scope/{})formatr|r}r~r]s rr^ECSOption.to_texts(#**4<<+/==: :rcUR[R"SUR55 UR[R"SURUR 55 URUR 5 g)Nz!Hz!BB)rZrrryr}r~rrs rrECSOption.to_wiresN 6;;tT[[12 6;;udkk4==AB 4==!rc[R"SX#US-5upVnUS- n[[R"US- 55nUS:Xa [ R Rn SU- n O1US:Xa [ R Rn SU- n O [S5e[ R RXX3U-SU --5n U"XU5$) Nz!HBBrqrdrnzunsupported family) runpackrrrrurvrzrxr{ inet_ntop) r"rr#curr%rysrcscopeaddrlenrpadaddrs rr&ECSOption.from_wires#]]64CE?CU qdiiC() Q;!!Bg+C q[""Bw,C12 2xx!!"37{&;gm&KL4e$$rcpURUR:XagURUR:aggrc)rr)s rr+ECSOption._cmps+ ==ENN * ==5>> )r)rr|ryr~r}r8) rHrIrJrKrLrr^rrMr&r+rNrhris@rrkrks4+&6P:" %%$rrkcB[RU5nUc[nU$)zxReturn the class for the specified option type. The GenericOption class is used if a more specific class is not known. )_type_to_classgetrQ)rr"s rget_option_classrs#   U #C { Jrc<[U5nURXX#5$)aWBuild an EDNS option object from wire format. *otype*, an ``int``, is the option type. *wire*, a ``binary``, is the wire-format message. *current*, an ``int``, is the offset in *wire* of the beginning of the rdata. *olen*, an ``int``, is the length of the wire-format option data Returns an instance of a subclass of ``dns.edns.Option``. )rr&)rr#r$r%r"s roption_from_wirers 5 !C ==g 44r)rL __future__rrrdns.inetruNSIDDAUDHUN3UrtEXPIRECOOKIE KEEPALIVEPADDINGCHAINobjectrrQrkrrrrOrrrs$&       M$VM$`F